I'm Tired Of Seeing This Charles Darwin Quote Taken Out Of Context

In the sixth chapter of On The Origin of Species, Charles Darwin addresses "Organs of Extreme Perfection" – organs like the eye, the formation of which due to natural selection, Darwin "freely confessed," seems "absurd in the highest possible degree." But this is only part of a much longer quote. » 1/11/15 10:30am 1/11/15 10:30am

Scientists spark the growth of a human eye with stem cells

Biologists in Japan have grown a human-eye precursor from stem cells, and amazingly, it was done without the guidance from a scaffolding structure. The breakthrough indicates that the information to form such organs are embedded within the cells themselves, and not driven by environmental cues. Researchers hope to… » 6/18/12 8:30am 6/18/12 8:30am

Exercise your brain (not your eyes) to keep your vision healthy

Presbyopia is seen as one of those unavoidable signs of aging, your eyes losing plasticity and making it harder and harder to read. Bifocals perched on your nose as you squint at a newspaper (or computer screen). But even as your eyes get old, there might be a way to fight it by keeping your brain spry. » 2/25/12 1:00pm 2/25/12 1:00pm